package cn.com.connected.common.config;

import org.springframework.beans.factory.DisposableBean;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Component;

@Component
@Lazy(false)
public class SpringApplicationContext implements ApplicationContextAware, DisposableBean {
    private static ApplicationContext applicationContext = null;
 
    private SpringApplicationContext() {
    }
 
    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }
 
    public static <T> T getBean(String name) {
        return (T) applicationContext.getBean(name);
    }
 
    public static <T> T getBean(Class<T> requiredType) {
        return applicationContext.getBean(requiredType);
    }
//    public static <T> T getFeignBean(String beanName, Class<T> tClass) {
//        FeignContext feignContext = applicationContext.getBean("feignContext", FeignContext.class);
//        return feignContext.getInstance(beanName, tClass);
//    }

 
    //清除SpringContextHolder中的ApplicationContext:
    public static void clearHolder() {
        applicationContext = null;
    }
 
    @Override
    public void setApplicationContext(ApplicationContext applicationContext) {
        SpringApplicationContext.applicationContext = applicationContext;
    }
 
    @Override
    public void destroy() throws Exception {
        clearHolder();
    }
}